IC/klayout/lvs/rule_decks/mimcap_derivations.lvs

################################################################################################
# Copyright 2022 GlobalFoundries PDK Authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
################################################################################################

#==================================
# ------ MIMCAP DERIVATIONS -------
#==================================

logger.info('Starting MIMCAP DERIVATIONS')

# mim option A
# stacked mim cannot exist in 2LM
mim_virtual = fusetop.sized(1.06.um).and(metal2.interacting(fusetop)).not(fusetop2)
metal2_ncap = metal2.not(mim_virtual)
fuse_cap   = fusetop.interacting(lvs_cap)
fuse2_cap  = fusetop2.interacting(lvs_cap)

# mim_option B
mimtm_virtual = fusetop.sized(1.06.um).and(topmin1_metal.interacting(fusetop)).not(fusetop2)
mimtm_stack1_virtual = fusetop.sized(1.06.um).and(topmin1_metal.interacting(fusetop))
mimtm_stack2_virtual = fusetop2.sized(1.06.um).and(topmin2_metal.interacting(fusetop2))

if METAL_LEVEL != '2LM'
  metal3_ncap = metal3.not(mimtm_virtual).not(mimtm_stack2_virtual).not(mimtm_stack1_virtual)

  if METAL_LEVEL != '3LM'
    metal4_ncap = metal4.not(mimtm_virtual).not(mimtm_stack2_virtual).not(mimtm_stack1_virtual)
    metal5_ncap = metal5.not(mimtm_virtual).not(mimtm_stack2_virtual).not(mimtm_stack1_virtual) if METAL_LEVEL != '4LM'
  end

end